| Language variable levels | Triangular fuzzy number |
| Very low (VL) | (0, 0, 0.25) |
| Low (L) | (0, 0.25, 0.5) |
| Medium (M) | (0.25, 0.5, 0.75) |
| High (H) | (0.5, 0.75, 1) |
| Very high (VH) | (0.75, 1, 1) |